Malicious URLs Can Steal User Info in OpenCms v18.0 Search

Summary

If you use OpenCms v18.0, an attacker can trick you into visiting a fake link that steals your sensitive information or makes it look like you're doing things you didn't. Update to the latest version of OpenCms to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
alkacon	opencms	18.0.0	–

Original title

Reflected Cross-site Scripting (XSS) in Alkacon's OpenCms v18.0, which allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL containing the ‘q’...

Original description

Reflected Cross-site Scripting (XSS) in Alkacon's OpenCms v18.0, which allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL containing the ‘q’ parameter in ‘/search/index.html’. This vulnerability can be exploited to steal sensitive user information such as session cookies, or to perform actions while impersonating the user.

nvd CVSS3.1 6.1

nvd CVSS4.0 5.1

Vulnerability type

CWE-79 Cross-site Scripting (XSS)

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alka... Third Party Advisory